annotate src/os/unix/ngx_posix_init.c @ 58:b55cbf18157e NGINX_0_1_29

nginx 0.1.29 *) Feature: the ngx_http_ssi_module supports "include virtual" command. *) Feature: the ngx_http_ssi_module supports the condition command like 'if expr="$NAME"' and "else" and "endif" commands. Only one nested level is supported. *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT variables and "config timefmt" command. *) Feature: the "ssi_ignore_recycled_buffers" directive. *) Bugfix: the "echo" command did not show the default value for the empty QUERY_STRING variable. *) Change: the ngx_http_proxy_module was rewritten. *) Feature: the "proxy_redirect", "proxy_pass_request_headers", "proxy_pass_request_body", and "proxy_method" directives. *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was canceled and must be replaced with the proxy_set_header directive. *) Change: the "proxy_preserve_host" is canceled and must be replaced with the "proxy_set_header Host $host" and the "proxy_redirect off" directives, the "proxy_set_header Host $host:$proxy_port" directive and the appropriate proxy_redirect directives. *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced with the "proxy_set_header X-Real-IP $remote_addr" directive. *) Change: the "proxy_add_x_forwarded_for" is canceled and must be replaced with the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" directive. *) Change: the "proxy_set_x_url" is canceled and must be replaced with the "proxy_set_header X-URL http://$host:$server_port$request_uri" directive. *) Feature: the "fastcgi_param" directive. *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" directive are canceled and must be replaced with the fastcgi_param directives. *) Feature: the "index" directive can use the variables. *) Feature: the "index" directive can be used at http and server levels. *) Change: the last index only in the "index" directive can be absolute. *) Feature: the "rewrite" directive can use the variables. *) Feature: the "internal" directive. *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables. *) Change: nginx now passes the invalid lines in a client request headers or a backend response header. *) Bugfix: if the backend did not transfer response for a long time and the "send_timeout" was less than "proxy_read_timeout", then nginx returned the 408 response. *) Bugfix: the segmentation fault was occurred if the backend sent an invalid line in response header; bug appeared in 0.1.26. *) Bugfix: the segmentation fault may occurred in FastCGI fault tolerance configuration. *) Bugfix: the "expires" directive did not remove the previous "Expires" and "Cache-Control" headers. *) Bugfix: nginx did not take into account trailing dot in "Host" header line. *) Bugfix: the ngx_http_auth_module did not work under Linux. *) Bugfix: the rewrite directive worked incorrectly, if the arguments were in a request. *) Bugfix: nginx could not be built on MacOS X.
author Igor Sysoev <http://sysoev.ru>
date Thu, 12 May 2005 00:00:00 +0400
parents 72eb30262aac
children 6ae11d59d10e
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_setproctitle.h>
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22
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12 ngx_int_t ngx_ncpu;
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13 ngx_int_t ngx_max_sockets;
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14 ngx_uint_t ngx_inherited_nonblocking;
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15 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush;
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18 struct rlimit rlmt;
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19
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20
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21 #if (NGX_POSIX_IO)
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22
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23 ngx_os_io_t ngx_os_io = {
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24 ngx_unix_recv,
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25 ngx_readv_chain,
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26 NULL,
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27 ngx_writev_chain,
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28 0
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29 };
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32 ngx_int_t ngx_os_init(ngx_log_t *log)
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33 {
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34 return ngx_posix_init(log);
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35 }
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38 void ngx_os_status(ngx_log_t *log)
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39 {
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40 ngx_posix_status(log);
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41 }
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43
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44 #endif
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45
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47 void ngx_signal_handler(int signo);
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48
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50 typedef struct {
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51 int signo;
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52 char *signame;
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53 void (*handler)(int signo);
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54 } ngx_signal_t;
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55
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56
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57 ngx_signal_t signals[] = {
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58 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
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59 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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60 ngx_signal_handler },
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61
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62 { ngx_signal_value(NGX_REOPEN_SIGNAL),
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63 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
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64 ngx_signal_handler },
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65
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66 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
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67 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
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68 ngx_signal_handler },
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69
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70 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
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71 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
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72 ngx_signal_handler },
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73
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74 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
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75 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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76 ngx_signal_handler },
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77
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78 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
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79 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
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80 ngx_signal_handler },
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81
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82 { SIGALRM, "SIGALRM", ngx_signal_handler },
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83
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84 { SIGINT, "SIGINT", ngx_signal_handler },
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85
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86 { SIGIO, "SIGIO", ngx_signal_handler },
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87
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88 { SIGCHLD, "SIGCHLD", ngx_signal_handler },
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89
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90 { SIGPIPE, "SIGPIPE, SIG_IGN", SIG_IGN },
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91
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92 { 0, NULL, NULL }
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93 };
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94
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96 ngx_int_t ngx_posix_init(ngx_log_t *log)
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97 {
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98 ngx_signal_t *sig;
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99 struct sigaction sa;
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100
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101 ngx_init_setproctitle(log);
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102
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103 ngx_pagesize = getpagesize();
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104
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105 if (ngx_ncpu == 0) {
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106 ngx_ncpu = 1;
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107 }
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108
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109 for (sig = signals; sig->signo != 0; sig++) {
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110 ngx_memzero(&sa, sizeof(struct sigaction));
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111 sa.sa_handler = sig->handler;
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112 sigemptyset(&sa.sa_mask);
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113 if (sigaction(sig->signo, &sa, NULL) == -1) {
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114 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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115 "sigaction(%s) failed", sig->signame);
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116 return NGX_ERROR;
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117 }
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118 }
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119
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120 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
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121 ngx_log_error(NGX_LOG_ALERT, log, errno,
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122 "getrlimit(RLIMIT_NOFILE) failed)");
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123 return NGX_ERROR;
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124 }
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125
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126 ngx_max_sockets = rlmt.rlim_cur;
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127
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128 #if (NGX_HAVE_INHERITED_NONBLOCK)
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129 ngx_inherited_nonblocking = 1;
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130 #else
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131 ngx_inherited_nonblocking = 0;
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132 #endif
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133
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134 return NGX_OK;
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135 }
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136
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137
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138 void ngx_posix_status(ngx_log_t *log)
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139 {
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140 ngx_log_error(NGX_LOG_INFO, log, 0,
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parents: 4
diff changeset
141 "getrlimit(RLIMIT_NOFILE): %r:%r",
0
f0b350454894 nginx 0.1.0
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parents:
diff changeset
142 rlmt.rlim_cur, rlmt.rlim_max);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
143 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
144
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
145
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
146 void ngx_signal_handler(int signo)
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
147 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
148 char *action;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
149 struct timeval tv;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
150 ngx_int_t ignore;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
151 ngx_err_t err;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
152 ngx_signal_t *sig;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
153
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
154 ignore = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
155
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
156 err = ngx_errno;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
157
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
158 for (sig = signals; sig->signo != 0; sig++) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
159 if (sig->signo == signo) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
160 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
161 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
162 }
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
163
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
164 ngx_gettimeofday(&tv);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
165 ngx_time_update(tv.tv_sec);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
166
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
167 action = "";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
168
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
169 switch (ngx_process) {
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parents:
diff changeset
170
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
171 case NGX_PROCESS_MASTER:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
172 case NGX_PROCESS_SINGLE:
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
173 switch (signo) {
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
174
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
175 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
176 ngx_quit = 1;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
177 action = ", shutting down";
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
178 break;
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parents:
diff changeset
179
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
180 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
181 case SIGINT:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
182 ngx_terminate = 1;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
183 action = ", exiting";
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
184 break;
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parents:
diff changeset
185
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
186 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
187 ngx_noaccept = 1;
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents: 48
diff changeset
188 action = ", stop accepting connections";
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
189 break;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
190
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
191 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
192 ngx_reconfigure = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
193 action = ", reconfiguring";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
194 break;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
195
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
196 case ngx_signal_value(NGX_REOPEN_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
197 ngx_reopen = 1;
26
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
198 action = ", reopening logs";
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
199 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
200
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
201 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
202 if (getppid() > 1 || ngx_new_binary > 0) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
203
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
204 /*
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
205 * Ignore the signal in the new binary if its parent is
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
206 * not the init process, i.e. the old binary's process
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
207 * is still running. Or ingore the signal in the old binary's
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
208 * process if the new binary's process is already running.
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
209 */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
210
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
211 action = ", ignoring";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
212 ignore = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
213 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
214 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
215
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
216 ngx_change_binary = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
217 action = ", changing binary";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
218 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
219
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
220 case SIGALRM:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
221 if (!ngx_terminate) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
222 ngx_timer = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
223 action = ", shutting down old worker processes";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
224 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
225
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
226 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
227
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
228 case SIGIO:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
229 ngx_sigio = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
230 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
231
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
232 case SIGCHLD:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
233 ngx_reap = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
234 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
235 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
236
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
237 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
238
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
239 case NGX_PROCESS_WORKER:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
240 switch (signo) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
241
26
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
242 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
243 ngx_debug_quit = 1;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
245 ngx_quit = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
246 action = ", shutting down";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
247 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
248
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
249 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
250 case SIGINT:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
251 ngx_terminate = 1;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
252 action = ", exiting";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
253 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
254
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
255 case ngx_signal_value(NGX_REOPEN_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
256 ngx_reopen = 1;
26
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
257 action = ", reopening logs";
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
258 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
259
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
260 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
261 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
262 case SIGIO:
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
263 action = ", ignoring";
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
264 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
265 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
266
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
267 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
268 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
269
26
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
270 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
271 "signal %d (%s) received%s", signo, sig->signame, action);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
272
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
273 if (ignore) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
274 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, 0,
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
275 "the changing binary signal is ignored: "
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
276 "you should shutdown or terminate "
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
277 "before either old or new binary's process");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
278 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
279
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
280 if (signo == SIGCHLD) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
281 ngx_process_get_status();
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
282 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
283
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
284 ngx_set_errno(err);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
285 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
286
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
287
48
6cfc63e68377 nginx 0.1.24
Igor Sysoev <http://sysoev.ru>
parents: 26
diff changeset
288 ngx_int_t ngx_posix_post_conf_init(ngx_log_t *log)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
289 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
290 ngx_fd_t pp[2];
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
291
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
292 if (pipe(pp) == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
293 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
294 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
295 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
296
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
297 if (dup2(pp[1], STDERR_FILENO) == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
298 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
299 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
300 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
301
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
302 if (pp[1] > STDERR_FILENO) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
303 if (close(pp[1]) == -1) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
304 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
305 return NGX_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
306 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
307 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
308
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
309 return NGX_OK;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
310 }